The answer would be <span>A. to prevent a communist takeover of South Vietnam</span>
Answer:
Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders. ... From then on, no Roman emperor would ever again rule from a post in Italy, leading many to cite 476 as the year the Western Empire suffered its deathblow.
well china built a wall to keep the The bads guys out the Mongolia but that did not work out they went over it. and sorry but one of the kings died and wear they buried him their out of clay
hears what i got better explainatoin
Buried deep under a hill in central China, surrounded by an underground moat of poisonous mercury, lies an entombed emperor who's been undisturbed for more than two millennia.
The tomb holds the secrets of China's first emperor, Qin Shi Huang, who died on Sept. 10, 210 B.C., after conquering six warring states to create the first unified nation of China.
The answers to a number of historical mysteries may lie buried inside that tomb, but whether modern people will ever see inside this mausoleum depends not just on the Chinese government, but on science.
#1: Houston
#2: San Antonio
#3: Dallas
Something that has to do with settlement